Experiments with isotopes used as tracers showed that some fungi .

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

What's the waste product of electrons and pyruvate combining in fermentation?